>> it is an invisible danger. >> al jazeera america presents "into eternity". premieres sunday night 9 eastern. >> it is no secret that the soaring cost of a college education is a financial burden for america's middle class. president barack obama proposed creating a new system to rate colleges on how much value they offer students based on graduation rates, loan debt and tuition. he wants congress to tie federal aid to colleges on how well they score. this is all designed to make college more affordable. whether the president's plan goes anywhere in washington is far from certain but there is no doubt that outrage over tuition is focussing more attention on the pay and perks awarded to university presidents. some critics say that the tuition may fall if university presidents were not paid so much. but as reported, the pay of college pst have to do with how much money they have to raise. >> kayla smith waits tables at night after working in a downtown columbus office for a non-profit group. >> if you need anything -- >> it is the only way she can payoff the 40